# I CHING 1 vs Retro Library

The clearest difference is iOS requirement: I CHING 1 at 18.2 against Retro Library's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | I CHING 1 | Retro Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/i-ching-1/id6743580800/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 1 MB | 3 MB |
| Requires iOS | **18.2** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Deleuse](https://appshunter.io/developer/1803504905) | [John Kennedy](https://appshunter.io/developer/284943103) |

## What reviewers say

### I CHING 1

[App page](https://appshunter.io/ios/app/i-ching-1/id6743580800)

Access ancient wisdom with this intuitive application. Focus on your question, simulate coin tosses, and receive guidance from the "Book of Changes." Features include changing line notation, related hexagrams, and saved readings.

**Highlights:** Intuitive I Ching experience, Simulated coin tosses, Hexagram readings, Changing line notation, Related Hexagrams, Saved readings, Light and dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Retro Library

[App page](https://appshunter.io/ios/app/retro-library/id6760631678)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is I CHING 1 free?

I CHING 1 is free to download, with no in-app purchases.

### Is Retro Library free?

Retro Library is free to download, with no in-app purchases.

### Do I CHING 1 or Retro Library have ads?

Neither I CHING 1 nor Retro Library shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*